Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*wergā
→
Irish
fearg
(inherited)
→
Ancient Greek
ὀργή
(cognate)
→
Middle Irish
ferg
(inherited)
→
Old Irish
ferg
(inherited)